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. 1966 Jun;99(3):735–746. doi: 10.1042/bj0990735

The biosynthesis of sterols in higher plants

L J Goad 1, T W Goodwin 1
PMCID: PMC1265065  PMID: 5964970

Abstract

1. [2-14C]Mevalonate was incorporated into squalene and the major phytosterols of pea and maize leaves; it was also incorporated into compounds belonging to the 4,4-dimethyl and 4α-methyl steroid groups and which may be possible phytosterol intermediates. 2. l-[Me-14C]Methionine was incorporated into the major sterols and also into the 4,4-dimethyl and 4α-methyl steroid groups. No radioactivity was detected in squalene. 3. Under anaerobic conditions incorporation of [2-14C]-mevalonate into the non-saponifiable lipid of pea leaves was drastically decreased but radioactive squalene was accumulated. 4. Cycloartenol, 24-methylenecycloartanol, 24-methylenelophenol, 24-ethylidenelophenol, fucosterol, β-sitosterol, stigmasterol and campesterol have been identified by gas–liquid chromatography in pea leaves. 5. The significance of these results in connexion with phytosterol biosynthesis and the introduction of the alkyl group at C-24 into phytosterols is discussed.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

  1. ALEXANDER G. J., SCHWENK E. Biogenesis of yeast sterols. IV. Transmethylation in ergosterol synthesis. J Biol Chem. 1958 Jun;232(2):611–616. [PubMed] [Google Scholar]
  2. AVIGAN J., GOODMAN D. S., STEINBERG D. THIN-LAYER CHROMATOGRAPHY OF STEROLS AND STEROIDS. J Lipid Res. 1963 Jan;4:100–101. [PubMed] [Google Scholar]
  3. BAISTED D. J., CAPSTACK E., Jr, NES W. R. The biosynthesis of beta-amyrin and beta-sitosterol in germinating seeds of Pisum sativum. Biochemistry. 1962 May 25;1:537–541. doi: 10.1021/bi00909a027. [DOI] [PubMed] [Google Scholar]
  4. CAPSTACK E., Jr, BAISTED D. J., NEWSCHWANDER W. W., BLONDIN G., ROSIN N. L., NES W. R. The biosynthesis of squalene in germinating seeds of Pisum sativum. Biochemistry. 1962 Nov;1:1178–1183. doi: 10.1021/bi00912a033. [DOI] [PubMed] [Google Scholar]
  5. CAPSTACKE J. R., ROSIN N., BLONDIN G. A., NES W. R. SQUALENE IN PISUM SATIVUM. ITS CYCLIZATION TO BETA-AMYRIN AND LABELING PATTERN. J Biol Chem. 1965 Aug;240:3258–3263. [PubMed] [Google Scholar]
  6. CLAYTON R. B., NELSON A. N., FRANTZ I. D., Jr THE SKIN STEROLS OF NORMAL AND TRIPARANOL-TREATED RATS. J Lipid Res. 1963 Apr;4:166–176. [PubMed] [Google Scholar]
  7. DEMPSEY M. E., SEATON J. D., SCHROEPFER G. J., Jr, TROCKMAN R. W. THE INTERMEDIARY ROLE OF DELTA-5,7-CHOLESTADIEN-3-BETA-OL IN CHOLESTEROL BIOSYNTHESIS. J Biol Chem. 1964 May;239:1381–1387. [PubMed] [Google Scholar]
  8. FRANTZ I. D., Jr, SANGHVI A. T., SCHROEPFER G. J., Jr IRREVERSIBILITY OF THE BIOGENETIC SEQUENCE FROM DELTA-7-CHOLESTEN-3-BETA-OL THROUGH DELTA-5,7-CHOLESTADIEN-3-BETA-OL TO CHOLESTEROL. J Biol Chem. 1964 Apr;239:1007–1011. [PubMed] [Google Scholar]
  9. Lederer E. The origin and function of some methyl groups in branched-chain fatty acids, plant sterols and quinones. Biochem J. 1964 Dec;93(3):449–468. doi: 10.1042/bj0930449. [DOI] [PMC free article] [PubMed] [Google Scholar]
  10. Mercer E. I., Davies B. H., Goodwin T. W. Studies in carotenogenesis. 29. Attempts to detect lycopersene in higher plants. Biochem J. 1963 May;87(2):317–325. doi: 10.1042/bj0870317. [DOI] [PMC free article] [PubMed] [Google Scholar]
  11. NICHOLAS H. J. Biosynthesis of beta-sitosterol and pentacyclic triterpenes of Salvia officinalis. J Biol Chem. 1962 May;237:1476–1480. [PubMed] [Google Scholar]
  12. NICHOLAS H. J. Biosynthesis of sclareol, beta-sitosterol, and oleanolic acid from mevalonic acid-2-C-14. J Biol Chem. 1962 May;237:1481–1484. [PubMed] [Google Scholar]
  13. OLSON J. A., Jr, LINDBERG M., BLOCH K. On the demethylation of lanosterol to cholesterol. J Biol Chem. 1957 Jun;226(2):941–956. [PubMed] [Google Scholar]
  14. TCHEN T. T., BLOCH K. On the conversion of squalene to lanosterol in vitro. J Biol Chem. 1957 Jun;226(2):921–930. [PubMed] [Google Scholar]
  15. Williamson I. P., Kekwick R. G. The formation of 5-phosphomevalonate by mevalonate kinase in Hevea brasiliensis latex. Biochem J. 1965 Sep;96(3):862–871. doi: 10.1042/bj0960862. [DOI] [PMC free article] [PubMed] [Google Scholar]

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